Spitzer 24 μm Survey of Debris Disks in the Pleiades

We performed a 24 μm 2° × 1° survey of the Pleiades cluster, using the MIPS instrument on Spitzer. Fifty-four members ranging in spectral type from B8 to K6 show 24 μm fluxes consistent with bare photospheres. All Be stars show excesses attributed to free-free emission in their gaseous envelopes. Five early-type stars and four solar-type stars show excesses indicative of debris disks. We find a debris disk fraction of 25% for B-A members and 10% for F-K3 ones. These fractions appear intermediate between those for younger clusters and for the older field stars. They indicate a decay with age of the frequency of the dust production events inside the planetary zone, with similar timescales for solar-mass stars as have been found previously for A stars.

[1]  G. Rieke,et al.  24 μm Detections of Circum(sub)stellar Disks in IC 348: Grain Growth and Inner Holes? , 2006 .

[2]  F. Low,et al.  Spitzer Far-Infrared Detections of Cold Circumstellar Disks , 2006, astro-ph/0605334.

[3]  G. Rieke,et al.  IRS Spectra of Solar-Type Stars: A Search for Asteroid Belt Analogs , 2006, astro-ph/0601468.

[4]  K. Stapelfeldt,et al.  A Spitzer Study of Dusty Disks around Nearby, Young Stars , 2005 .

[5]  G. Rieke,et al.  Spitzer Observations of IC 348: The Disk Population at 2-3 Million Years , 2005, astro-ph/0511638.

[6]  D. Kring,et al.  The Origin of Planetary Impactors in the Inner Solar System , 2005, Science.

[7]  G. Rieke,et al.  Frequency of Debris Disks around Solar-Type Stars: First Results from a Spitzer MIPS Survey , 2005, astro-ph/0509199.

[8]  E. Young,et al.  Spitzer Space Telescope Observations of G Dwarfs in the Pleiades: Circumstellar Debris Disks at 100 Myr Age , 2005 .

[9]  S. Wolf,et al.  Formation and Evolution of Planetary Systems: Cold Outer Disks Associated with Sun-like Stars , 2005, astro-ph/0506434.

[10]  Paul S. Smith,et al.  Exploring Terrestrial Planet Formation in the TW Hydrae Association , 2005, astro-ph/0506291.

[11]  Jonathan P. Williams,et al.  Circumstellar Dust Disks in Taurus-Auriga: The Submillimeter Perspective , 2005, astro-ph/0506187.

[12]  K. Tsiganis,et al.  Origin of the cataclysmic Late Heavy Bombardment period of the terrestrial planets , 2005, Nature.

[13]  R. Indebetouw,et al.  Identification of Main-Sequence Stars with Mid-Infrared Excesses Using GLIMPSE: β Pictoris Analogs? , 2005, astro-ph/0504447.

[14]  G. Rieke,et al.  The Vega Debris Disk: A Surprise from Spitzer , 2005, astro-ph/0504086.

[15]  Prospects for detection of catastrophic collisions in debris disks , 2005, astro-ph/0503551.

[16]  David E. Trilling,et al.  Decay of Planetary Debris Disks , 2005 .

[17]  Thomas L. Hayward,et al.  Mid-infrared images of beta Pictoris and the possible role of planetesimal collisions in the central disk. , 2005, Nature.

[18]  M. Blaylock,et al.  A Spitzer Study of Dusty Disks in the Scorpius-Centaurus OB Association , 2005, astro-ph/0501103.

[19]  G. Rieke,et al.  Planets and Infrared Excesses: Preliminary Results from a Spitzer MIPS Survey of Solar-Type Stars , 2004, astro-ph/0412265.

[20]  Barbara E. McArthur,et al.  Confirmation of Errors in Hipparcos Parallaxes from Hubble Space Telescope Fine Guidance Sensor Astrometry of the Pleiades , 2004, astro-ph/0412093.

[21]  Erick T. Young,et al.  Reduction Algorithms for the Multiband Imaging Photometer for Spitzer , 2004, SPIE Astronomical Telescopes + Instrumentation.

[22]  G. Rieke,et al.  Spitzer Observations of NGC 2547: The Disk Population at 25 Million Years , 2004 .

[23]  Massimo Marengo,et al.  First Look at the Fomalhaut Debris Disk with the Spitzer Space Telescope , 2004 .

[24]  Paul S. Smith,et al.  The Multiband Imaging Photometer for Spitzer (MIPS) , 2004 .

[25]  S. Wolf,et al.  The Formation and Evolution of Planetary Systems: First Results from a Spitzer Legacy Science Program , 2004, astro-ph/0406301.

[26]  N. Kharchenko,et al.  Astrophysical supplements to the ASCC‐2.5. I. Radial velocity data , 2004 .

[27]  Richard E. White.  Interstellar Matter near the Pleiades. VI. Evidence for an Interstellar Three-Body Encounter , 2003 .

[28]  J. Porter,et al.  Classical Be Stars , 2003, 1310.3962.

[29]  S. Price,et al.  Observations of Star-Forming Regions with the Midcourse Space Experiment , 2003 .

[30]  Amsterdam,et al.  The age dependence of the Vega phenomenon: Observations , 2003, astro-ph/0308294.

[31]  University of Leicester,et al.  XMM-Newton and the Pleiades – I. Bright coronal sources and the X-ray emission from intermediate-type stars , 2003, astro-ph/0307095.

[32]  Kenneth H. Nordsieck,et al.  The Pleiades Reflection Nebula. II. Simple Model Constraints on Dust Properties and Scattering Geometry , 2003 .

[33]  I. Steele,et al.  Brown dwarfs and low-mass stars in the Pleiades and Praesepe: membership and binarity , 2003, astro-ph/0303600.

[34]  France,et al.  Brown dwarfs in the Pleiades cluster: Clues to the substellar mass function , , 2002, astro-ph/0212571.

[35]  A. A. Boyarchuk,et al.  On the role of duplicity in the Be phenomenon I. General considerations and the first attempt at a 3-D gas-dynamical modelling of gas outflow from hot and rapidly rotating OB stars in binaries , 2002 .

[36]  K. Mezger,et al.  Rapid accretion and early core formation on asteroids and the terrestrial planets from Hf–W chronometry , 2002, Nature.

[37]  R. Malhotra,et al.  A Study of the Dynamics of Dust from the Kuiper Belt: Spatial Distribution and Spectral Energy Distribution , 2002, astro-ph/0207350.

[38]  R. Laureijs,et al.  A 25 micron search for Vega-like disks around main-sequence stars with ISO , 2002 .

[39]  J. Linsky,et al.  Chandra Observations of the Pleiades Open Cluster: X-Ray Emission from Late B- to Early F-Type Binaries , 2002, astro-ph/0204131.

[40]  James R. Graham,et al.  Discovery of Reflection Nebulosity around Five Vega-like Stars , 2002 .

[41]  Brian D. Mason,et al.  The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog , 2001 .

[42]  B. Cooper,et al.  Clementine Observations of the Zodiacal Light and the Dust Content of the Inner Solar System , 2001, astro-ph/0204111.

[43]  B. Zuckerman.  Dusty Circumstellar Disks , 2001 .

[44]  T. Simon,et al.  Barnard’s Merope Nebula Revisited: New Observational Results , 2001 .

[45]  R. Cutri,et al.  Extinction with 2MASS: Star Counts and Reddening toward the North America and Pelican Nebulae , 2001, astro-ph/0201373.

[46]  B. Zuckerman,et al.  Dusty Debris around Solar-Type Stars: Temporal Disk Evolution , 2001, astro-ph/0103185.

[47]  J. Carpenter.  Color Transformations for the 2MASS Second Incremental Data Release , 2001, astro-ph/0101463.

[48]  B. Zuckerman,et al.  Extent of Excess Far-Infrared Emission around Luminosity Class III Stars , 2000, astro-ph/0012001.

[49]  A. Boss,et al.  Protostars and Planets VI , 2000 .

[50]  J. Liou,et al.  Signatures of the Giant Planets Imprinted on the Edgeworth-Kuiper Belt Dust Disk , 1999 .

[51]  ApJ, in press , 1999 .

[52]  B. Zuckerman,et al.  Submillimetre images of dusty debris around nearby stars , 1998, Nature.

[53]  J. Graham,et al.  Lithium in Brown Dwarf Candidates: The Mass and Age of the Faintest Pleiades Stars , 1996 .

[54]  R. Stencel,et al.  Model of a Kuiper Belt Small Grain Population and Resulting Far-Infrared Emission , 1995 .

[55]  B. Zuckerman,et al.  Submillimeter studies of main-sequence stars , 1993 .

[56]  B. Mason,et al.  ICCD speckle observations of binary stars. IX: A duplicity survey of the Pleiades, Praesepe, and IC 4665 clusters , 1993 .

[57]  D. Soderblom,et al.  Rotation and chromospheric emission among F, G, and K dwarfs of the Pleiades , 1993 .

[58]  M. Skrutskie,et al.  in Protostars and Planets III , 1993 .

[59]  T. Bania,et al.  Radial Velocity Measurements in the Pleiades , 1991 .

[60]  M. Jura.  The absence of circumstellar dust debris around G giants , 1990 .

[61]  D. Gies,et al.  Time-resolved H-alpha spectroscopy of the Be star PLEIONE during a lunar occultation , 1990 .

[62]  M. Bessell,et al.  JHKLM PHOTOMETRY: STANDARD SYSTEMS, PASSBANDS, AND INTRINSIC COLORS , 1988 .

[63]  M. Breger.  The Pleiades Cluster. IV. The Visit of a Molecular CO Cloud , 1987 .

[64]  L. Hartmann,et al.  The distribution of rotational velocities for low-mass stars in the Pleiades , 1987 .

[65]  B. Shustov.  Protostars and Planets II , 1987 .

[66]  M. Breger.  The Pleiades Cluster. III. Polarization, Reddening, and the Unusual Distribution of Interstellar Matter , 1986 .

[67]  K. Sellgren,et al.  IRAS surface brightness maps of reflection nebulae in the Pleiades , 1985 .

[68]  L. Hartmann,et al.  Rotational velocities of low-mass stars in the Hyades , 1984 .

[69]  F. J. Low,et al.  INFRARED CIRRUS - NEW COMPONENTS OF THE EXTENDED INFRARED-EMISSION , 1984 .

[70]  T. Arny.  A model for the filamentary structure in the Pleiades reflection nebulosity , 1977 .

[71]  R. P. Kraft,et al.  Studies of Stellar Rotation. III. a Redetermination of Rotational Velocities in the Pleiades , 1966 .